INSTALLATION OF AUXILIARY VACUUM PUMP
—WARNING—
Be sure that battery master switch is OFF before working with
electrical components to prevent electrical shock.
—CAUTION—
The elapsed time indicator is matched to pump/motor assembly
and must be removed and replaced with pump/motor assembly.
1. Connect elapsed time indicator to two pin connector on leads coming from back of the switch.
—CAUTION—
Do not locate elapsed time indicator on or near any avionics or
other equipment that generates a significant amount of heat.
2. Secure elapsed time indicator to wire harness with a strap, making sure elapsed time indicator can be
easily inspected.
3. Secure excess lead wire.
4. Remove top engine cowling.
5. Mount pump/motor assembly to bracket with band clamps. Do not tighten clamps.
—NOTE—
Rotate pump/motor assembly within clamps for easier
installation.
6. Attach and secure electrical leads to terminals on pump/motor assembly.
7. Measure hoses to obtain proper length. Cut hoses if necessary.
8. Attach and secure hoses to ports on pump/ motor assembly.
9. Position pump/motor assembly as shown in figure 37-l.
10. Tighten clamps .
11. Install top engine cowling.
37 - 22 - 00
Page 37 - 12
Reissued: August 1, 1986
2E14
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
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